2622615648 has 48 divisors (see below), whose sum is σ = 7070439600. Its totient is φ = 850576896.

The previous prime is 2622615647. The next prime is 2622615661. The reversal of 2622615648 is 8465162262.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×2622615648³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622615643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365623 + ... + 372726.

It is an arithmetic number, because the mean of its divisors is an integer number (147300825).

Almost surely, 2^2622615648 is an apocalyptic number.

It is an amenable number.

2622615648 is an abundant number, since it is smaller than the sum of its proper divisors (4447823952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2622615648 is a wasteful number, since it uses less digits than its factorization.

2622615648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738399 (or 738391 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 2622615648 is about 51211.4796505627. The cubic root of 2622615648 is about 1379.0442952311.

The spelling of 2622615648 in words is "two billion, six hundred twenty-two million, six hundred fifteen thousand, six hundred forty-eight".